Abstract: An animal transportation container is disclosed for accommodation within the rear compartment of an automobile. The container comprises a first receptacle element disposed adjacent the rear bulkhead of the automobile and a first flange extending around the periphery of the first receptacle element. A second receptacle element is disposed on the rear seat support of the automobile and a second flange extends around the periphery of the second receptacle element. A first portion of the second flange is disposed adjacent the first flange and a first portion of the first flange is disposed adjacent the first portion of the second flange. A plurality of threaded fasteners fasten together the first portions of the first and the second flanges respectively.